N-[2-(1,2,3,5,6,7-hexahydropyrrolizin-8-yl)ethyl]-2-nitroaniline → N-[2-(1-Azabicyclo[3.3.0]octan-5-yl)ethyl]-2-nitroaniline(maleate)
Reaction equation
[N:1]12[CH2:8][CH2:7][CH2:6][C:5]1([CH2:9][CH2:10][NH:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1[N+:18]([O-:20])=[O:19])[CH2:4][CH2:3][CH2:2]2.[C:21]([OH:28])(=[O:27])/[CH:22]=[CH:23]\[C:24]([OH:26])=[O:25]>C(O)C>[C:21]([OH:28])(=[O:27])/[CH:22]=[CH:23]\[C:24]([OH:26])=[O:25].[N:1]12[CH2:8][CH2:7][CH2:6][C:5]1([CH2:9][CH2:10][NH:11][C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1[N+:18]([O-:20])=[O:19])[CH2:4][CH2:3][CH2:2]2Participants
4
Procedure
A mixture of N-[2-(1-azabicyclo[3.3.0]octan-5-yl)ethyl]-2-nitroaniline (200 mg, 725 μmol) obtained by Example 23 in ethanol (10 Ml) and maleic acid (84.2 mg, 72 μmol) in ethanol (10 ml) was concentrated until its volume becomes 3 ml and left to stand to afford the desired salt (223 mg, 78.6%).
Workup
- concentrationwas concentrated until its volume
- waitleft
Sources & evidence
- ORD record
- ord-4f6098d0403642a2989057b14f22a948
- Source dataset
- uspto-grants-1996_06
- Patent number
- US05530138
Reaction notes
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